CN103690227A

CN103690227A - Acetabular orthopaedic surgical instrument and method of using same

Info

Publication number: CN103690227A
Application number: CN201310450163.5A
Authority: CN
Inventors: J.R.鲁塞; D.G.佩德勒
Original assignee: DePuy Products Inc
Current assignee: DePuy Products Inc; DePuy Synthes Products Inc
Priority date: 2012-09-27
Filing date: 2013-09-27
Publication date: 2014-04-02
Anticipated expiration: 2033-09-27
Also published as: US20140088603A1; US9572683B2; US20170156892A1; AU2013234355A1; AU2013234355B2; US10357380B2; CN103690227B; EP2712558A1; EP2712558B1

Abstract

A method of reproducing a central axis of a femoral neck prior to resection during an implantation process includes the step of attaching a frame to the acetabulum of a patient, wherein the frame includes first and second movable arms and a lockable swivel bearing. The method further includes the steps of orienting and locking the swivel bearing in position and utilizing the position of the swivel bearing to position acetabular instrumentation to match a planned acetabular implant orientation.

Description

Acetabular bone plastic surgery utensil and using method thereof

The cross reference of related U.S. patent application

Present patent application according to 35U.S.C. § 119 require to be filed in JIUYUE in 2012 27 days, name is called the U.S. Patent application No.61/706 of " ACETABULAR ORTHOPAEDIC SURGICAL INSTRUMENT AND METHOD OF USING SAME ", 232 priority.The disclosure of this type of patent application is incorporated to herein by reference.

Technical field

The disclosure relates to plastic surgery's utensil, and relates more specifically to acetabular bone plastic surgery utensil.

Background technology

Arthroplasty is a kind of surgical operation of knowing, and it replaces ill and/or impaired natural joint with prosthetic joint.For example, in arthroplasty of hip surgical operation, utilize prosthese hip joint to replace patient's natural hip joint.Typical prosthese hip joint comprises acetabular bone orthopedic technical aid and/or femoral head orthopedic technical aid.Typical acetabular bone orthopedic technical aid comprises acetabular cup and the polymeric bearing being associated or the ring that is fixed to patient's nature acetabular bone.

In order to be conducive to come replacement of natural joint with acetabular bone orthopedic technical aid, plastic surgeon can be used multiple plastic surgery's utensil, for example reamer, drilling director, brill and/or other surgery devices.

Summary of the invention

According to an aspect, during implantation process, before excision, make the method for the central shaft regeneration of neck of femur comprise the step that framework is attached to patient's acetabular bone, its middle frame comprises the first lever arm and the second lever arm and lockable swivel bearing.Method also comprises the steps: to make swivel bearing directed and lock it in place, and the position that utilizes swivel bearing is positioned to acetabular bone apparatus and plan Cotyloid implant orientation and match.

Can before operation, carry out orientation and lock step.Or, can during operation process, be carried out by surgeon orientation and lock step.

Framework can comprise the pad mating with patient.

According on the other hand, during implantation process, before excision, make the method for the central shaft regeneration of neck of femur comprise the step that framework is attached to patient's acetabular bone.Method also comprises the steps: fixture to be attached to neck and connecting frame and the fixture of patient's femur.Method also comprises the steps: the neck of mobile femur, until neck is positioned at patient's plan position, and framework and spring loading fixture is locked in to plan position.Utilization plan position is positioned to acetabular bone apparatus and plan Cotyloid implant orientation and match.

The step that framework is attached to patient's acetabular bone can comprise the steps: framework to be attached to the pad mating with patient, and the acetabular bone that afterwards pad and framework is attached to patient.

The step of attachment frame can comprise the steps: the shank of framework to be adjusted to patient's acetabular bone and to coordinate, and the acetabular bone that framework is fixed to patient.

The step that fixture is attached to patient's neck of femur can comprise the steps: to open the spring loading arm of fixture, and allows spring loading arm closed around the neck of patient's femur.

The step of connecting frame and fixture can comprise the steps: the first end of vertical bar to be positioned to through the bore hole in the swivel bearing in framework, and locate L shaped bar, wherein its first section is through the hole in fixture, and its second section is through the hole in the second end relative with first end of vertical bar.

The step of locating L shaped bar also can comprise the steps: by the second section alignment of the feature in vertical bar and L shaped bar, to stop L shaped bar with respect to the rotation of vertical bar.

Lock step also can comprise the steps: around swivel bearing fastening clips with locking swivel bearing.

Method also can comprise the steps: respectively to remove L shaped bar and vertical bar from the hole in fixture with through the bore hole of swivel bearing, and the bar that will extend from acetabular bone apparatus be positioned in the bore hole of swivel bearing, to match with plan Cotyloid implant orientation.

According to another aspect, the plastic surgery's utensil that is conducive to implant acetabular cup parts in patient's acetabular bone comprises the framework of the acetabular bone of the part around acetabular cup that is suitable for being fixed to patient, and its middle frame comprises swivel bearing.Utensil also comprises the fixture of neck and the translation bar assembly of connected adjustable framework and fixture of the femur that is suitable for being attached to patient.

Framework can comprise adjustable shank, and it is suitable for being adjusted to the acetabular bone that coordinates and be suitable for being fixed to patient with patient's acetabular bone.

Fixture can comprise the first clamper component and the second clamper component that arrives shank by spring fitting, clamper component is setovered toward each other and can overcome being biased away from each other of spring to move, to allow clamper component to engage with neck of femur.

Translation bar assembly can comprise vertical bar and L shaped bar, and vertically bar has the first end that extends through the bore hole in swivel bearing, and L shaped bar has first section in the hole extending through in fixture and extends through second section in the hole in the second end of vertical bar.

L shaped bar can be included in the First Characteristic forming in vertical bar and the Second Characteristic forming in the second section of L shaped bar.First Characteristic and Second Characteristic cooperate to stop L shaped bar with respect to the rotation of vertical bar.

Swivel bearing lockable is in place to stop swivel bearing with respect to the movement of framework.

Framework can be attached to the pad that has matched particular patient, and framework and attached pad are implanted in patient's acetabular bone.Pad and framework can be formed by the single single piece that matches patient.

Available another device displacement pad of setting framework and swivel bearing orientation with respect to patient.

Accompanying drawing explanation

Especially be with reference to the following drawings elaborated, wherein:

Fig. 1 is the perspective view of the first embodiment of cup positioner, and this device comprises: for be attached to patient hip joint acetabular bone framework, for being attached to the spring of neck of patient's femur, loading fixture and make framework and spring loads the relative to each other translation bar assembly of location immovably of fixture;

Fig. 2 is the perspective view of framework of cup positioner of Fig. 1 of acetabular bone that is fixed to patient's hip joint;

Fig. 3 is the perspective view that the spring of cup positioner of Fig. 1 of neck that is attached to patient's femur loads fixture;

Fig. 4 is that framework, the spring of neck that is attached to patient's femur of acetabular bone that is fixed to patient's hip joint loads fixture, is attached to and connecting frame and spring load the perspective view of the translation bar assembly of fixture, patient's femur over-rotation wherein, until the plan position that arrival makes the head of femur carry out joint motions in femur cup, and the swivel bearing in framework is locked cup positioner is fixed on to this plan position;

Fig. 5 illustrates key in the bar of translation bar assembly to stop the perspective view of counterrotating translation bar assembly;

Fig. 6 is the perspective view that swivel bearing locks in place and translation bar assembly and spring load the framework that fixture therefrom removes;

Fig. 7 is the perspective view that is similar to Fig. 6, and wherein acetabular cup reamer is connected to swivel bearing by translation bar assembly; And

Fig. 8 is the perspective view of the second embodiment of cup positioner, this device comprises: be attached to pad that the pad mating with patient and being fixed to of acetabular bone of patient's hip joint mates with patient and the framework of acetabular bone, the pre-aligned and locks in place of swivel bearing in its middle frame.

Other aspects of the present disclosure and advantage will become apparent when considering the following drawings and the specific embodiment, and wherein similar structures has similar drawing reference numeral.

The specific embodiment

Although concept of the present disclosure is easy to have various modification and alternative form, concrete exemplary embodiment of the present invention illustrates in the accompanying drawings by way of example, and will describe in detail in this article.Yet should be appreciated that herein and unintentionally concept of the present invention is restricted to disclosed concrete form, but contrary, its object is to contain all modifications form, equivalents and the alternative form in the spirit and scope of the invention that claims limit.

In the disclosure about shaping implant as herein described and patient's natural anatomical structure has been used the term that represents anatomy reference, such as forward and backward, inner side, outside, upper and lower etc.These terms have known implication in anatomy and field of orthopedic surgery.Except as otherwise noted, otherwise this type of anatomical reference term using in description and claim is intended to meet its known implication.

Referring now to accompanying drawing 1-7,, show the first embodiment of glass positioner 30.Cup positioner 30 generally includes: the framework 32, the spring of neck of femur 38 that is suitable for being attached to patient's femur 40 of acetabular bone 34 that is suitable for being fixed to patient's hip joint loads the translation bar assembly 42 that fixture 36 and connecting frame 32 and spring load fixture 36.

Framework 32, spring load fixture 36 and translation bar assembly 42 can for example, be made by () medical grade (biocompatibility) metal and engineering plastics, (for example includes but not limited to rustless steel, titanium alloy, cochrome, polyformaldehyde or

) or polyether-ether-ketone or other suitable materials.Framework 32, spring load fixture 36 and translation bar assembly 42 also can be made from the same material or a different material.

As Fig. 1 and 2 the best illustrates, the framework 32 of cup positioner 30 comprises having fixture 52 center adapter 50, and described fixture is formed in the outward flange 54 of adapter 50, is connected to the outward flange 54 of adapter 50 and extends from the outward flange 54 of adapter 50.Fixture 52 comprises clamper component 56, and this clamper component has from adapter 50 extensions and forms the curved section 58 of circular clamp and extend and linear section 60 parallel to each other from curved section 58.Swivel bearing 62 is arranged in the circular clamp adjacent with curved section 58 and securing member 64 extends through linear section 60.Nut 66 is attached to the free end 68 of securing member 64.Nut 66 is fastened on securing member 64 and causes linear section 60 to move towards each other, thereby curved section 58 is moved towards each other and cause curved section 58 clamp swivel bearing 62 and stop it to move, this will discuss in more detail below.

Although securing member 64 and nut 66 are shown fastening and locking fixture 52, can utilize for other appropriate method fastening and locking fixture 52.Furtherly, can utilize and will allow need to rotate and lock according to user any fixture or other suitable construction of swivel bearing 62.

Still, referring to Fig. 1 and 2, framework 32 also comprises the arm 70 that extends and be attached to by pin 72 adapter 50 from adapter 50.Pin 72 extends through adapter and arm 70 to form the point of rotation, and making can be with respect to adapter 50 turning arm 70.Each in arm 70 is all fixed to around the patient's of Acetabular dissection structure 74 acetabular bone 34, as shown in Figure 2 by two or more anchor logs 76.Anchor log 76 can be screw, bolt or is applicable to arm 70 to be fixed to the form of any other structure of acetabular bone 34.Anchor log 76 is oriented to stop arm 70 and adapter 50 movement relative to each other.

Spring loads fixture 36, as Fig. 1 and 3 the bests illustrate, comprises the shank 80 with supporting end 82, and this supporting end 82 has the amplification head 83 therefrom passing in hole 84.Supporting end 82 has the width of the width that is greater than shank 80 with keep-spring 86 on the shank 80 adjacent with supporting end 82.The clamp ends 88 of shank 80 also comprises the side from shank 80 outward extending spherical outstanding 90.Clamper component 92 is by pin 94 or allow other suitable construction of pivotable to be attached to spherical outstanding 90.Although outstanding 90 are shown and are disclosed as spherical in shape, can utilize other suitable shapes of limit bone damage.

Each clamper component 92 comprises by pin 94 and is attached to respectively spherical outstanding 90 upper surface 100 and upper bend arm 96 and the lower bend arm 98 of lower surface 102.Knob 104 is arranged between the upper bend arm 96 and lower bend arm 98 at 106 places, end of clamper component 92.Can be by pin 107 or the attached knob 104 of any other suitable construction that allows knob 104 to rotate.Optionally, knob 104 can be static.The shape that stops bone injury be made and/or be configured as to knob 104 can by certain material.For example, knob 104 can be circle or ellipse and/or knob 104 and can for example, by () rubber or plastics, be made.Although knob 104 is shown the spherical shape of part, can utilize other suitable shapes alternatively.

Still referring to Fig. 1 and 2, spring loads fixture 36 and also comprises train wheel bridge 110 and the lower plate 112 of being close to the upper surface 114 of shank 80 and lower surface 116 and arranging.Clamping plate 110,112 are connected to the first end 117 of connecting rod 118 by pin 114 or another suitable construction, wherein the second end 120 of connecting rod 118 is connected to upper bend arm 96 and the lower bend arm 98 of clamper component 92.

Clamping plate 110,112 are oriented to move along the upper surface 114 of shank 80 and lower surface 116.Specifically, spring 86 is arranged on the supporting end 82 and the shank 80 between clamping plate 110,112 of shank 80.When not activating, spring 86 is biased on clamping plate 110,112, thereby promotes clamping plate towards the clamp ends 88 of shank 80, causes the closed clamper component 92 of connecting rod 118.As described below in more detail, for example, when knob 104 overlays certain structure when clamping the neck 38 of () femur 40, the outward pressure on knob 104 causes clamper component 92 outwards to move.The outside movement of clamper component 92 causes connecting rod 118 to move inward and stretching, thereby causes clamping plate 110,112 to overcome the biasing of spring 86 and move towards the supporting end 82 of shank 80.Once knob 104 has passed through neck of femur 38, clamper component 92 just turns back to its initial offset position, and wherein clamper component 92 is attached to neck of femur 38.In this position, knob 104 contacts with neck of femur 38 with spherical outstanding 90 outer surface 122.

Referring to Fig. 1,4 and 5, translation bar assembly 42 comprises vertical bar 140 and L shaped bar 142.Vertically bar 140 is generally cylindrical and comprises the lower end 144 that extends through bore hole 146, and described bore hole 146 extends through swivel bearing 62.Vertically the upper end 148 of bar 140 comprises the amplification head 150 therefrom passing in hole 152.As Fig. 5 can best illustrate, it is circular that hole 152 is generally, and wherein in hole, 152 lower limb has square notch 154, and this will discuss in more detail below.

L shaped bar 142 comprises vertical section 160, and it extends through the hole 84 in the supporting end 82 of shank 80 that spring loads fixture 36.L shaped bar 142 also comprises the horizontal section 162 that is connected to vertical section 160 and extends from vertical section 160 with the angle of approximately 90 degree.Vertically section 160 and horizontal section 162 are generally columniform, but horizontal section 162 comprises extend from its lower surface 166 square, give prominence to 164.As Fig. 5 the best illustrates, horizontal section 162 extends through the hole 152 in the amplification head 150 of vertical bar 140, and square outstanding 164 be arranged in the square notch 154 in hole 152, to stop the rotation of the horizontal section 162 in hole 152.Square notch 154 and outstanding 164 also provides key mechanism, thus the only attached vertical bar 140 of available a kind of mode and L shaped bar 142.Although illustrate and described square notch 154 and outstanding 164, can utilize the in rotary moving of for example, horizontal section 162 in other complementations or incomplementarity shape (, semicircle, triangle, hexagon, rectangle etc.) prevention hole 152.In addition,, although square notch 154 and outstanding 164 is shown on the lower surface that lays respectively at hole 152 and horizontal section 162, otch 154 and outstanding 164 can be positioned to allow outstanding 164 on other surfaces of otch 154 interior alignment.Furtherly, can utilize any other mechanism to stop rotation.

Vertically bar 140 and vertically the end of section 160 can convergent insert respectively through hole 84 and bore hole 146 being conducive to.Although it is cylindrical that the vertical section 160 of vertical bar 140 and L shaped bar 142 and horizontal section 162 are described as conventionally, can utilize other suitable shapes.

Now in detail the illustrative methods of the cup positioner 30 that uses Fig. 1-7 will be described with respect to Fig. 2-4,6 and 7.It is a kind of for made the method for central shaft 180 (as shown in Fig. 3, the 4 and 6) regeneration of femur 40 before excision that cup positioner provides, thereby can utilize suitably location femur cup implant component of central shaft 180.Should be appreciated that operating details can (for example) change according to surgical preference to some extent.For example, surgeon can adopt different order carry out described step and/or can add or remove particular step.

Every patient has different anatomical structures, but have a kind of relation between the anatomical axis of neck of femur 38 and the anatomical planes of acetabular bone 34 (as, neck angle).Surgeon selects to have the nearside femur implant at given neck angle, wherein between the axis of the cervical region of the anatomical axis of neck of femur 38 and femur implant, has delta.Neck angle is relevant with placement and the orientation of acetabular cup implant component, and it is guaranteed the movement in certain limit and does not spray.

Referring to Fig. 2, the framework 32 of cup positioner 30 is positioned on the acetabular bone 34 of Acetabular dissection structure 74 peripheries.The arm 70 of framework 32 can be centered around the point of rotation forming between arm 70 and the adapter 50 at pin 72 places and carry out pivotable, so that the acetabular cup 74 of different sizes to be described.Once around the periphery registration arm 70 of Acetabular dissection structure 74, arm 70 is just fixed to acetabular bone 34 by anchor log 76.

As shown in Figure 3, spring loads the neck 38 that fixture 36 is attached to femur 40.As mentioned above, be close to neck of femur 38 and promote knob 104, this causes clamper component 92 outwards to move.Once knob 104 has passed through neck of femur 38, clamper component 92 just turns back to its initial offset position, and wherein clamper component 92 is attached to neck of femur 38.In this position, knob 104 contacts to stop spring to load the movement of fixture 36 with spherical outstanding 90 outer surface 122 with neck of femur 38.Although framework 32 to acetabular bone 34 attached is discussed as at spring and loads fixture 36 to before neck of femur 38 attached, these steps can be put upside down.

Framework 32 is attached to acetabular bone 34 and spring is loaded after fixture 36 is attached to neck of femur 38, translation bar assembly 42 is connected to framework 32 and spring loads fixture 36.Specifically, spring loads fixture 36 around neck of femur 38 rotations, until the amplification head 83 of shank 80 is spaced apart with the swivel bearing 62 of framework 32, as Fig. 4 the best illustrates.The horizontal section 162 of L shaped bar 162 is inserted through the hole 152 in the amplification head 150 of vertical bar 140, and wherein square notch 154 and square outstanding 164 alignment, to stop the rotation of the horizontal section 162 in hole 152.After this by following process, translation bar assembly 42 is attached to framework 32 and spring and loads fixture 36: the vertical section of L shaped bar 142 160 is inserted through spring and loads the hole 84 in the amplification head 83 of shank 80 of fixture 36, until horizontal section 162 contacts with amplification head 83., vertical bar 140 is inserted through the bore hole 146 in swivel bearing 62, until horizontal section 162 contacts with amplification head 83 meanwhile.Optionally, vertically bar 140 and L shaped bar 142 can be attached to framework 32 and spring loading fixture 36 independently.

Once translation bar assembly 42 is suitably attached to framework 32 and spring loads fixture 36, patient's femur 40 just can carry out joint motions by the delta calculating, so that anatomical neck axle is parallel with cup placement axle, thereby arrive plan position, so that the head 182 of femur 40 carries out joint motions in Acetabular dissection structure 74.After this (for example) is by being fastened on nut 66 on securing member 64 femur 40 locks in place, as shown in Figure 4, this causes the linear section 60 of fixture 52 to move towards each other, thereby curved section 58 is moved towards each other and cause curved section 58 to clamp and stop the movement of swivel bearing 62.In this position, vertically bar 140 and the vertical section 160 of L shaped bar 142 and the central shaft 180 of neck of femur 38 are parallel, as hereinafter described in more detail.

Referring to Fig. 6, translation bar assembly 42 removes from framework 32 and spring loading fixture 36, and spring loading fixture 36 removes from neck of femur 38.Femoral head 182 is not to be positioned Acetabular dissection structure 74 cut remove from Acetabular dissection structure 74 exactly and after this cut when interior.In any case once excise and remove femoral head 182 from Acetabular dissection structure 74, acetabular bone apparatus 200 is just attached to framework 32 suitably to prepare Acetabular dissection structure 74 for location acetabular cup implant component.Although can use any acetabular bone apparatus 200, acetabular bone apparatus 200 is shown reamer, this reamer generally includes axle 204 and is attached to axle 204 for the cup reamer 206 to 74 reamings of Acetabular dissection structure.

Bar 206, as shown in Figure 7, stretches out from the outer surface 208 of axle 204 with about 90 angles of spending.Bar 206 is generally columniform and comprises square outstanding 210.The hole 152 that bar 206 inserts through vertical bar 140, wherein square outstanding 210 align with the square notch 154 in hole 152 and remain in the square notch 154 in hole 152.Meanwhile, cup reamer 206 is positioned in Acetabular dissection structure 74 and the bore hole 146 that vertically bar 140 inserts through swivel bearing 62.In this position, repeat to make femoral head 182 in Acetabular dissection structure 74, to carry out the plan position of joint motions.Specifically, swivel bearing 62 allows vertical bar 140 location acetabular bone apparatuses 200, and wherein central shaft 212 is oriented to parallel with the central shaft 180 of neck of femur 38.Optionally, vertically bar 140 can be positioned at acetabular bone apparatus 200 (with other instruments) and the uneven position of central shaft 180.Like this, acetabular bone apparatus 200 is become with plan Cotyloid implant orientation to match by accurate pointing.

Fig. 8 shows the second embodiment of glass positioner 300.Cup positioner 300 comprises the pad 302 mating with patient, and its shape and size match based on preoperative iconography and patient.More particularly, pad 302 is designed to coordinate around the periphery of acetabular bone 34.The structure of the pad 302 on the face relative with bone surface 304 is designed to the orientation of the bore hole 146 of positioning framework 32 and swivel bearing 62.

By the method for the cup positioner 300 of Fig. 8, comprise the steps: by making arm 70 regulate the arm 70 of framework 32 around pin 72 pivotables, the size of framework 32 is set for pad 302 and coordinated.After this framework 32 is attached to or is otherwise fixed together with pad 302, and the combination of framework 32 and pad 302 is fixed to acetabular bone 34 by anchor log 76, and anchor log 76 extends through framework 32 and pad 302 and enters in acetabular bone 34.Can be at manufacture and/or during the design attachment frame 32 and the pad 302 of the cup positioner 300 mating with patient.Optionally, framework 32 and pad 302 can be before being introduced into wound location (but manufacture and design after) or on the bone in wound by pad 302 initial placement after carry out attached.Regardless of the method for using, once framework 32 and pad 302 adjacent bone, anchor log 76 just inserts and enters in bone through framework 32 and pad 302.

Pad 302 makes bore hole 146 orientations of framework 32 and swivel bearing 62 with respect to preoperative plan, and when pad 302 is sat on the periphery that is placed in acetabular bone 34, plan is moved to anatomical structure subsequently.Like this, the spring of the embodiment of Fig. 1-7 loading fixture 36 and translation bar assembly 42 are just no longer necessary.

Once framework 32 and pad 302 are fixed to acetabular bone 34, the bar 202 of acetabular bone apparatus 200 just inserts through the hole 152 in vertical bar 140 as disclosed in detail with respect to Fig. 7, and use acetabular bone apparatus 200 (for example reamers) to 74 reamings of Acetabular dissection structure, for implanting as described in detail acetabular cup implant component.Can be in addition by bar 140,202 guide cup impacters or other surgical technique and tools.

Although pad 302 and framework 32 are shown separate part, pad 302 and framework 32 can be integrated.Like this, pad 302 and framework 32 can mate with particular patient.

By reading this description, will become apparent, do not departing under the prerequisite of disclosure scope, any one any feature in embodiment disclosed herein can be incorporated in any one in other embodiment.

In addition, although can use directional terminology within the scope of whole description, for example front portion, back, top, bottom, top, bottom etc., be to be understood that, this type of term is not restrictive, in this article only for expressing different elements orientation relative to each other.

Although at length illustrate and described the disclosure in accompanying drawing and above-mentioned explanation; but this type of diagram and describe should be considered as exemplary rather than restrictive; should be understood that; only illustrate and described exemplary embodiment, and the institute in essential scope of the present invention changes and modification all should be protected.

A plurality of features of device described herein, system and method make the present invention have a plurality of advantages.The alternate embodiment that it should be noted in the discussion above that device of the present invention, system and method can not comprise described all features, but still can benefit from least some advantages of these features.Those of ordinary skill in the art can easily design the embodiment of its oneself device, system and method, and this embodiment can be integrated one or more in feature of the present invention, and falls within the spirit and scope of the present invention.

Claims

1. in a method that made the central shaft regeneration of neck of femur during implantation process before excision, described method comprises the steps:

Framework is attached to patient's acetabular bone, wherein, described framework comprises the first lever arm and the second lever arm and lockable swivel bearing;

Make described swivel bearing orientation and lock it in place; And

The position that utilizes described swivel bearing is positioned to acetabular bone apparatus and plan Cotyloid implant orientation and match.

2. method according to claim 1, is characterized in that, described orientation and lock step are carried out before operation.

3. method according to claim 1, is characterized in that, described orientation and lock step are carried out during operation process by surgeon.

4. method according to claim 1, is characterized in that, described framework comprises the pad mating with patient.

5. in a method that made the central shaft regeneration of neck of femur during implantation process before excision, described method comprises the steps:

Framework is attached to patient's acetabular bone;

Fixture is attached to the neck of patient's femur;

Connect described framework and described fixture;

Mobile described femur, until the neck of described femur is positioned at described patient's plan position;

Described framework and spring loading fixture are locked in to described plan position; And

Utilize described plan position that acetabular bone apparatus is positioned to and plans Cotyloid implant orientation and match.

6. method according to claim 1, is characterized in that, the step that framework is attached to patient's acetabular bone comprises the steps: described framework to be attached to the pad mating with patient, and the acetabular bone that afterwards described pad and framework is attached to described patient.

7. method according to claim 1, is characterized in that, the step of attached described framework comprises the steps:

Regulate the shank of described framework to coordinate with described patient's acetabular bone; And

Described framework is fixed to described patient's acetabular bone.

8. method according to claim 5, is characterized in that, the step of neck that described fixture is attached to described patient's femur comprises the steps:

Open the spring loading arm of described fixture; And

Allow described spring loading arm closed around the neck of described patient's femur.

9. method according to claim 5, is characterized in that, the step that connects described framework and described fixture comprises the steps:

The first end of vertical bar is positioned to through the bore hole in the swivel bearing in described framework; And

Locate L shaped bar, wherein, its first section is through the hole in described fixture, and its second section is through the hole in the second end relative with described first end of described vertical bar.

10. method according to claim 9, is characterized in that, the step of locating described L shaped bar also comprises the steps:

Align to stop described L shaped bar with respect to the rotation of described vertical bar the second section of the feature in described vertical bar and described L shaped bar.

11. methods according to claim 10, is characterized in that, described lock step also comprises the steps:

Around described swivel bearing stress accommodation to lock described swivel bearing.

12. methods according to claim 11, is characterized in that, also comprise the steps:

From the hole in described fixture with through the bore hole of described swivel bearing, remove described L shaped bar and described vertical bar respectively; And

The bar extending from described acetabular bone apparatus is positioned in the bore hole of described swivel bearing, to match with plan Cotyloid implant orientation.

13. 1 kinds of plastic surgery's utensils that are conducive to implant acetabular cup parts in patient's acetabular bone, described utensil comprises:

Framework, it is suitable for being fixed to the acetabular bone of described patient's the part around described acetabular cup, and wherein, described framework comprises swivel bearing;

Fixture, it is suitable for being attached to the neck of described patient's femur; With

Translation bar assembly, its connected adjustable framework and described fixture.

14. plastic surgery's utensils according to claim 13, is characterized in that, described framework comprises and is suitable for being adjusted to the adjustable shank that coordinates and be suitable for being fixed to described patient's acetabular bone with patient's acetabular bone.

15. plastic surgery's utensils according to claim 13, it is characterized in that, described fixture comprises the first clamper component and the second clamper component that arrives shank by spring fitting, described clamper component is setovered toward each other and can overcome being biased away from each other of spring to move, to allow described clamper component to engage with neck of femur.

16. plastic surgery's utensils according to claim 13, is characterized in that, described translation bar assembly comprises:

Vertical bar, it has the first end that extends through the bore hole in described swivel bearing; With

L shaped bar, the second section that it has first section in the hole extending through in described fixture and extends through the hole in the second end of described vertical bar.

17. plastic surgery's utensils according to claim 16, is characterized in that, described L shaped bar comprises:

The First Characteristic forming in described vertical bar; With

The Second Characteristic forming in the second section of described L shaped bar;

Wherein, described First Characteristic and Second Characteristic cooperate to stop described L shaped bar with respect to the rotation of described vertical bar.

18. plastic surgery's utensils according to claim 17, is characterized in that, described swivel bearing locks in place is to stop described swivel bearing with respect to the movement of described framework.

19. plastic surgery's utensils according to claim 13, is characterized in that, described framework is attached to the pad having mated with particular patient, and described framework and attached pad are mounted to described patient's acetabular bone temporarily.

20. plastic surgery's utensils according to claim 19, is characterized in that, described pad and described framework are formed by the single single piece of mating with described patient.

21. plastic surgery's utensils according to claim 13, is characterized in that, use the described pad of another device displacement of setting described framework and swivel bearing orientation with respect to described patient.